Comparison

PuchCalc vs Thumb calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PuchCalc

Features
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<Fashionable function> You can choose the design from 13 themes. You can also change the shape and font of the buttons, expanding the range of designs. <Convenient for shopping> Just add them in the order of purchase, and the total amount will be displayed in the history. ・In parentheses are tax-included ・When automatic recalculation is on, the calculation history can be recalculated.  Even if you add it by mistake, it will be automatically recalculated by deleting the wrong line. ・Consumption tax calculation is also displayed automatically. <Calculation history function> The calculation remains as a history and can be reconfirmed after the calculation. The calculation history can be shared externally, and can be sent to e-mail, Twitter, etc. Features) ・Fashionable function:You can choose the overall design, button shape and font. ・Calculation history function:The calculation remains as a calculation history. ・Calculation history sharing function:The calculation history can be sent to an external compatible app. ・Compatible with iPad ・Language support:It is displayed in the supported languages according to the set languages of Japanese, English, and iOS. *Advertisement will be displayed. *Advertisement non-display PuchCalc Pro is also available, please use it.

About

Thumb calculator

Features
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A calculator that is easy to operate with just the thumb of one hand, even on large-screen smartphones. *Specially placed numeric keypad

Screenshots

PuchCalc4 screens
Thumb calculator1 screens

Verdict

The call

The clearest difference is update cadence: Thumb calculator at every 2 weeks against PuchCalc's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PuchCalc ships an update monthly, Thumb calculator every 2 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 5 level
PuchCalc versus Thumb calculator: the parameters behind the verdict, then further details
ParameterPuchCalcThumb calculator
PriceFreeFree
Update frequencyMonthlyEvery 2 weeks — better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.1 — better15.8.3
Further details — not scored
Size5 MB35 MB
Age rating4+4+
DeveloperJutaro KimuraHideaki Uchikoshi

In-app purchases

None

PuchCalc

No in-app purchases

None

Thumb calculator

No in-app purchases

Questions

Is PuchCalc free?
PuchCalc is free to download, with no in-app purchases.
Is Thumb calculator free?
Thumb calculator is free to download, with no in-app purchases.
Do PuchCalc or Thumb calculator have ads?
Both PuchCalc and Thumb calculator show ads.
Which is updated more often, PuchCalc or Thumb calculator?
PuchCalc ships an update monthly, and Thumb calculator every 2 weeks. Most recently, PuchCalc was updated on October 25, 2026 and Thumb calculator on October 30, 2026.

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